<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="utf-8">
        <title>CSS 样式</title>
        <style>
            p {
                color: red;
                font-size: 20px;
                
            }
        </style>
    </head>
<body>
    <p>css效果展示</p>
</body>
</html>